AT45CS1282
器件描述:128-megabit 2.7-volt Dual-interface Code Shadow DataFlash
文件大小:252.1KB,共33页
Sponsor by e络盟
器件资料摘要:
1
Features
• Single 2.7V - 3.6V Supply
Dual-interface Architecture
–RapidS
™
Serial Interface: 50 MHz Maximum Clock Frequency
(SPI Modes 0 and 3 Compatible for Frequencies up to 33 MHz)
–Rapid8
™
8-bit Interface: 20 MHz Maximum Clock Frequency
Page Program
– 16,384 Pages (1,056 Bytes/Page) Main Memory
Sector Erase Architecture
– Sixty-three 270,336-byte Sectors
– One 261,888-byte Sector
– One 8,488-byte Sector
Two 1056-byte SRAM Data Buffers – Allows Receiving of Data
while Reprogramming the Flash Array
Continuous Read Capability through Entire Array
– Ideal for Code Shadowing Applications
Low-power Dissipation
– 10 mA Active Read Current Typical – Serial Interface
– 12 mA Active Read Current Typical – 8-bit Interface
– 15 µA CMOS Standby Current Typical
Hardware Data Protection
Security: 128-byte Security Register
– 64-byte User Programmable Space
– Unique 64-byte Device Identifier
JEDEC Standard Manufacturer and Device ID Read
100 Program/Erase Cycles Per Sector Minimum
Data Retention – 10 Years
Commercial Temperature Range
Description
The AT45CS1282 is a 2.7-volt, dual-interface sequential access Flash memory
ideally suited for infrequent code shadowing applications. This device utilizes Atmel’s
e
-
STAC
™
Multi-Level Cell (MLC) memory technology, which allows a single cell to
128-megabit
2.7-volt
Dual-interface
Code Shadow
DataFlash
®
AT45CS1282
Preliminary
™
Note: *Optional Use – See pin description text
for connection information.
Pin Configurations
Pin Name Function
CS Chip Select
SCK/CLK Serial Clock/Clock
SI Serial Input
SO Serial Output
I/O7 - I/O0 8-bit Input/Output
WP
Hardware Page Write
Protect Pin
RESET Chip Reset
RDY/BUSY Ready/Busy
SER/BYTE
Serial/8-bit Interface
Control
TSOP Top View: Type 1
CBGA Top View
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
NC
NC
RDY/BUSY
RESET
WP
NC
NC
NC
VCC
GND
NC
NC
NC
NC
CS
SCK
SI*
SO*
NC
NC
NC
NC
NC
NC
NC
I/O7*
I/O6*
I/O5*
I/O4*
VCCP*
GNDP*
I/O3*
I/O2*
I/O1*
I/O0*
SER/BYTE*
CLK
NC
NC
NC
A
B
C
D
E
F
G
H
J
1 2345
NC
I/O2
I/O1
I/O0
NC
SER/BYTE
SCK/CLK
CS
SO
GNDP
NC
GND
RDY/BUSY
SI
VCCP
I/O7
VCC
WP
RESET
NC
I/O6
I/O5
I/O4
I/O3
NC
Rev. 3447A–DFLSH–2/04